Here's a look at the worst fantasy football matchups for Week 12 based on fantasy points per game (FPPG) allowed per position. Fantasy Source Football members can see our Fantasy Points Allowed tables for every position and even break them down into a game-by-game view to see which players (e.g. short-yardage RB, No. 1 WR) failed to make an impact against a particular team. Not a member yet? Try Fantasy Source free for 30 days and dominate your fantasy football leagues.

Worst QB matchup: Ryan Tannehill, Dolphins vs. Panthers (11.7 FPPG). The Panthers have yet to allow 20 fantasy points to any QB and held Tom Brady to 16.1 points last week. Tannehill is no Tom Brady.

Chargers tight end Antonio Gates (AP Photo)

Worst RB matchup: Trent Richardson/Donald Brown, Colts at Cardinals (12.2 FPPG). Expect Brown to come crashing back to Earth this week against a stingy Cardinals run D. Richardson should definitely be off your radar if he wasn't already.